package com.cn.ctgu;

import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.nio.charset.StandardCharsets;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Properties;

public class Configuration {
    private Properties props = new Properties();

    /**
     * 读取属性配置文件
     *
     * @param confFile
     */
    public void fromFile(File confFile) {
        try(FileInputStream in = new FileInputStream(confFile);){
            props.load(new InputStreamReader(in, StandardCharsets.UTF_8));
        } catch (IOException e) {
            throw new ValueParseException("配置文件解析错误");
        }
    }

    /**
     * 获取键值
     *
     * @param key
     * @return value
     */
    public String getProp(String key) {

        String value =props.getProperty(key);
        if(value!=null)
        {
            return value;
        }
        throw new ValueParseException("键值不存在");
    }

    /**
     * 获取布尔类型键值
     *
     * @param key
     * @return value
     */
    public boolean getBoolean(String key) {
        String value = props.getProperty(key);
        if ("true".equalsIgnoreCase(value)) {
            return true;
        }
        if ("false".equalsIgnoreCase(value)) {
            return false;
        }
        throw new ValueParseException("键值不存在");
    }
    public Integer getInt(String key, int defaultValue)
    {
        String value = props.getProperty(key);
        if(value!=null)
        {
            int value1=Integer.parseInt(value);
            return value1;
        }
        else
        {return defaultValue;}
    }
    public Boolean getBooleanWithDefault(String key, Boolean defaultValue){
        String value=props.getProperty(key);
        if(value!=null)
        {
            Boolean value1=Boolean.getBoolean(value);
            return  value1;
        }
        else
        {
            return defaultValue;
        }
    }
    public Date getDate(String key, Date defaultValue) throws ParseException {
        String value=props.getProperty(key);
        if(value!=null)
        {
            java.text.SimpleDateFormat formatter=new SimpleDateFormat("yyyy-MM-dd");
            Date value1=(Date)formatter.parse(value);
            return value1;
        }
        else
        {return defaultValue;}
    }

}
